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Current conditions at
Hyannis, Barnstable Municipal-Boardman Airport (KHYA)
Lat: 41.67°NLon: 70.27°WElev: 49ft.
Fair
14°F
-10°C
| Humidity | 77% |
| Wind Speed | NW 7 mph |
| Barometer | 29.92 in (1013.4 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 4°F (-16°C) |
| Last update | 29 Jan 6:56 am EST |
Extended Forecast for
South Dennis MA
Today
High: 24 °F
Slight Chance
Snow then
Partly SunnyTonight

Low: 7 °F
Partly Cloudy
Friday

High: 18 °F
Sunny
Friday Night

Low: 7 °F
Partly Cloudy
Saturday

High: 26 °F
Mostly Sunny
Saturday Night

Low: 17 °F
Chance Snow
Sunday

High: 31 °F
Heavy Snow
and WindySunday Night

Low: 23 °F
Snow Likely
and BlusteryMonday

High: 33 °F
Partly Sunny
Detailed Forecast
Today
A slight chance of snow before noon. Partly sunny, with a high near 24. Northwest wind 10 to 14 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 7. Wind chill values as low as -5. West wind 9 to 13 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 18. Wind chill values as low as -6. West wind 9 to 13 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 7. Wind chill values as low as -1. West wind 6 to 8 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 26. West wind around 6 mph becoming calm in the afternoon.
Saturday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 17. Light north wind becoming northeast 8 to 13 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely. The snow could be heavy at times. Cloudy, with a high near 31. Windy, with a north wind 17 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 70%.
Sunday Night
Snow likely, mainly before midnight. Cloudy, with a low around 23. Blustery, with a north wind 16 to 24 mph, with gusts as high as 46 mph. Chance of precipitation is 70%.
Monday
Partly sunny, with a high near 33. Northwest wind 9 to 14 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 21. Northwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 33. West wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 22. Northwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 31. Northwest wind 6 to 8 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
South Dennis MA
41.69°N 70.16°W (Elev. 7 ft)
41.69°N 70.16°W (Elev. 7 ft)
3:45 am EST Jan 29, 2026
7am EST Jan 29, 2026-6pm EST Feb 4, 2026


